PCB Piezotronics 115A04 Manuel utilisateur

Model 115A04

Charge Output Pressure Sensor

Installation and Operating Manual

For assistance with the operation of this product,

contact PCB Piezotronics, Inc.

Toll-free: 800-828-8840

24-hour SensorLine: 716-684-0001

Fax: 716-684-0987

E-mail: [email protected]

Web: www.pcb.com

The information contained in this document supersedes all similar information that

may be found elsewhere in this manual.

Service –Due to the sophisticated

nature of the sensors and associated

instrumentation provided by PCB

Piezotronics, user servicing or repair is

not recommended and, if attempted,

may void the factory warranty. Routine

maintenance, such as the cleaning of

electrical connectors, housings, and

mounting surfaces with solutions and

techniques that will not harm the

physical material of construction, is

acceptable. Caution should be observed

to ensure that liquids are not permitted

to migrate into devices that are not

hermetically sealed. Such devices

should only be wiped with a dampened

cloth and never submerged or have

liquids poured upon them.

Repair –In the event that equipment

becomes damaged or ceases to

operate, arrangements should be made

to return the equipment to PCB

Piezotronics for repair. User servicing or

repair is not recommended and, if

attempted, may void the factory

warranty.

Calibration –Routine calibration of

sensors and associated instrumentation

is recommended as this helps build

confidence in measurement accuracy

and acquired data. Equipment

calibration cycles are typically

established by the users own quality

regimen. When in doubt about a

calibration cycle, a good “rule of thumb”

is to recalibrate on an annual basis. It is

also good practice to recalibrate after

exposure to any severe temperature

extreme, shock, load, or other

environmental influence, or prior to any

critical test.

PCB Piezotronics maintains an ISO-

9001 certified metrology laboratory and

offers calibration services, which are

accredited by A2LA to ISO/IEC 17025,

with full traceability to SI through

N.I.S.T. In addition to the normally

supplied calibration, special testing is

also available, such as: sensitivity at

elevated or cryogenic temperatures,

phase response, extended high or low

frequency response, extended range,

leak testing, hydrostatic pressure

testing, and others. For information on

standard recalibration services or

special testing, contact your local PCB

Piezotronics distributor, sales

representative, or factory customer

service representative.

Returning Equipment –Following

these procedures will ensure that your

returned materials are handled in the

most expedient manner. Before

returning any equipment to PCB

Piezotronics, contact your local

distributor, sales representative, or

factory customer service representative

to obtain a Return Warranty, Service,

Repair, and Return Policies and

Instructions Materials Authorization

(RMA) Number. This RMA number

should be clearly marked on the outside

of all package(s) and on the packing

Service, Repair, and Return

Policies and Instructions

list(s) accompanying the shipment. A

detailed account of the nature of the

problem(s) being experienced with the

equipment should also be included

inside the package(s) containing any

returned materials.

A Purchase Order, included with the

returned materials, will expedite the

turn-around of serviced equipment. It is

recommended to include authorization

on the Purchase Order for PCB to

proceed with any repairs, as long as

they do not exceed 50% of the

replacement cost of the returned

item(s). PCB will provide a price

quotation or replacement

recommendation for any item whose

repair costs would exceed 50% of

replacement cost, or any item that is not

economically feasible to repair. For

routine calibration services, the

Purchase Order should include

authorization to proceed and return at

current pricing, which can be obtained

from a factory customer service

representative.

Contact Information –International

customers should direct all inquiries to

their local distributor or sales office. A

complete list of distributors and offices

can be found at www.pcb.com.

Customers within the United States may

contact their local sales representative

or a factory customer service

representative. A complete list of sales

representatives can be found at

www.pcb.com. Toll-free telephone

numbers for a factory customer service

representative, in the division

responsible for this product, can be

found on the title page at the front of this

manual. Our ship to address and

general contact numbers are:

PCB Piezotronics, Inc.

3425 Walden Ave.

Depew, NY14043 USA

Toll-free: (800) 828-8840

24-hour SensorLineSM: (716) 684-0001

Website: www.pcb.com

E-mail: [email protected]

PCB工业监视和测量设备 - 中国RoHS2公布表

PCB Industrial Monitoring and Measuring Equipment - China RoHS 2 Disclosure Table

部件名称

有害物质

铅(Pb)

汞

(Hg)

镉

(Cd)

六价铬(Cr(VI))

多溴联苯 (PBB)

多溴二苯醚(PBDE)

住房

PCB板

电气连接器

压电晶体

环氧

铁氟龙

电子

厚膜基板

电线

电缆

塑料

焊接

铜合金/黄铜

本表格依据 SJ/T 11364 的规定编制。

O：表示该有害物质在该部件所有均质材料中的含量均在 GB/T 26572 规定的限量要求以下。

X：表示该有害物质至少在该部件的某一均质材料中的含量超出 GB/T 26572 规定的限量要求。

铅是欧洲RoHS指令2011/65/ EU附件三和附件四目前由于允许的豁免。

CHINA RoHS COMPLIANCE

DOCUMENT NUMBER: 21354

DOCUMENT REVISION: D

ECN: 46162

Component Name

Hazardous Substances

Lead

(Pb)

Mercury

(Hg)

Cadmium

(Cd)

Chromium VI

Compounds

(Cr(VI))

Polybrominated

Biphenyls

(PBB)

Polybrominated

Diphenyl

Ethers (PBDE)

Housing

PCB Board

Electrical

Connectors

Piezoelectric

Crystals

Epoxy

Teflon

Electronics

Thick Film

Substrate

Wires

Cables

Plastic

Solder

Copper Alloy/Brass

This table is prepared in accordance with the provisions of SJ/T 11364.

O: Indicates that said hazardous substance contained in all of the homogeneous materials for this part is below the limit

requirement of GB/T 26572.

X: Indicates that said hazardous substance contained in at least one of the homogeneous materials for this part is above

the limit requirement of GB/T 26572.

Lead is present due to allowed exemption in Annex III or Annex IV of the European RoHS Directive 2011/65/EU.

Manual Number: 51633

Manual Revision: A Printed in the U.S.A.

ECN Number: 42985

OPERATION MANUAL FOR

ENGINE COMBUSTION SENSORS

1.0 INTRODUCTION

Piezoelectric sensors excel in measuring repetitive

and transient phenomena because of the sensors’

extreme rigidity and wide dynamic range. In most

applications, the instruments do not significantly alter

the process or structure being tested. In addition, they

accurately measure within any partial or incremental

portion of their full-scale range but they cannot

measure static inputs or absolute levels over extended

time periods because of excessive drift when

operating electrostatically.

Piezoelectric combustion sensors use diaphragms to

convert internal engine pressure into a proportional

force. This force applies a load to the sensor’s crystal

element, which produces an electrostatic charge that

is transferred via electrode to the sensor’s connector.

The connector and cable connect to a charge

amplifier that converts the electrostatic charge from

the sensor into a voltage output suitable for data

acquisition.

2.0 INSTALLATION

Carefully install the engine combustion sensor

according to instructions detailed on the included

installation drawing. Take care not to damage the

threads or exceed the specified torque setting. The

sensor can be installed with a thermal protection

baffle (supplied). The sensor may be used with or

without baffle. Use of the sensor with the baffle may

require more frequent cleaning and inspection to

ensure the holes in the baffle do not become clogged.

The cleaning instructions mentioned later are also

suitable for use on the baffle.

178 series engine combustion sensors are designed to

be used in areas where sensor installation may be

more difficult due to obstructions from other

components, deep bore holes, or components which

may be too hot to contact cabling. When preparing

mounting this style of sensor, keep unsupported

length at connector end of sensor to a minimum.

This will ensure the best quality measurements

possible. If a water jacket is to be breached, the bore

diameter tolerances of where the sensor’s o-rings will

be sealing are very critical. See installation drawing

for specific details regarding bore diameter and

tolerance.

An installation tool is available for the 115A04

sensor to aid installation into mounting recesses. The

tool slides over the cable and onto the sensor to

provide an accessible connection point for a torque

wrench or driver.

3.0 OPERATION

Using the supplied cable, connect the combustion

sensor to a charge amplifier. Charge amplifiers

convert the high-impedance charge signal from the

sensor to a low-impedance voltage signal. A low-

impedance voltage signal is more desirable for

transmitting over long cable lengths and is also more

suitable for input to data acquisition systems. When

selecting a charge amplifier, it is important to be

aware of the charge amplifier’s low frequency

response. This is determined by the “Discharge Time

Constant” (DTC) of the amplifier. Amplifiers with

longer DTCs will pass signals of lower frequency.

Consult the specification sheet of the charge

amplifier for its low frequency response and select

the appropriate amplifier for your application.

4.0 CALIBRATION

This combustion sensor is calibrated by static

methods according to NIST standards. Calibration is

performed at room temperature and 392°F (200°C).

For highest accuracy, use the calibration certificate

supplied or calibrate the sensor over the range of

anticipated use. Periodic calibration is recommended

to ensure sensor accuracy and performance. Factory

calibration service is available at a nominal charge.

Manual Number: 51633

Manual Revision: A Printed in the U.S.A.

ECN Number: 42985

OPERATION MANUAL FOR

ENGINE COMBUSTION SENSORS

5.0 SERVICING THE SENSOR

The combustion sensor is a precision instrument;

keep it clean at all times to ensure reliable

measurements.

The preventive maintenance schedule for cleaning

engine combustion sensors depends on the type of

use, the length of time the sensor is used, and the type

of fuel the engine uses.

When cleaning the sensor, make sure the cable

remains connected to the sensor. After the sensor is

carefully extracted from the test port, remove the

baffle if installed. Then, gently remove contaminants

such as fuel residues, soot, and lubricating oil from

the surface of the sensor’s diaphragm using a cotton

swab and a suitable solvent. Use only light pressure

and a circular motion to clean the diaphragm. Rinse

with a cleansing solvent such as Isopropyl Alcohol or

Acetone and allow diaphragm to dry (or blow dry

with grease-free compressed air) before re-installing

the sensor. The baffle may also need to be cleaned

mechanically by using a pin of the appropriate size to

unblock any of the holes clogged by combustion

products. Take care not to damage the sealing

surfaces on the baffle or diaphragm when cleaning.

WARNING!

Never clean the front of the sensor or baffle with

metallic items such as wire brushes, abrasives,

sandblasting, grinding, scraping, etc., because this

could damage the diaphragm and render the sensor

unusable.

5.1. ALTERNATE ULTRASONIC

CLEANING THE SENSOR

As an alternative to cleaning the sensor as described

above, you can clean the sensor in an ultrasonic bath:

1. Make sure the connecting cable is securely

attached to the sensor. Never immerse the sensor

in the ultrasonic bath without its cable connector.

2. Prepare the bath with an aqueous alkaline (pH 7–

9) or cleansing solvent such as Isopropyl

Alcohol and set the temperature to no more than

140° F (60° C) maximum.

3. Immerse the sensor into the bath only up to the

sensor’s shoulder or mounting hex.

4. Set the ultrasonic output power so the power in

the bath is no more than 50 W/liter maximum.

5. Set the time as needed to remove the

contamination, no more than 2 minutes maximum.

WARNING!

Do not exceed the maximums specified in the

procedure. Excess cleaning times and excess

ultrasonic output power can damage the sensor.

5.2. MAINTAINING INSULATION

RESISTANCE

The sensor requires the insulation resistance (IR)

shown on the attached specification. If the signal on

the output device (e.g., oscilloscope) drifts or

becomes erratic, check for low IR.

Low IR indications are typically caused by a

combination of environmental factors such as

humidity and contamination of the sensor with oil or

dirt. If low IR is present, clean all cables and

connectors in use. This includes the sensor, all

connectors in the circuit such as cables and switch

boxes, and the input connector to the signal

conditioner. Never touch the open ends of the cable

or the sensor connector with bare hands. This may

contaminate the cable or sensor and cause insulation

problems.

3425 Walden Avenue, Depew, NY 14043-2495 24-hour SensorLineSM: 716-684-0001

E-Mail: [email protected]m Fax: 716-684-0987

Website: www.pcb.com Toll Free in the USA: 800-828-8840

A PCB GROUP COMPANY ISO 9001 CERTIFIED A2LA/ILAC-MRA accredited Cal cert #1862.01

2013 PCB Group, Inc. In the interest of constant product improvement, specifications are subject to change

without notice. PCB and ICP are registered trademarks of PCB Group, Inc. SensorLine is a service mark of PCB

Group, Inc. All other trademarks are properties of the respective owners.

Model Number

115A04 CHARGE OUTPUT PRESSURE SENSOR Revision: K

ECN #: 48697

[4]

Performanc

ENGLISH S

Sensitivity(± 15 %) 1.40 pC/psi 20.3 pC/bar

Measurement Range 3.5 kpsi 241.4 bar

Maximum Pressure 4.35 kpsi 300 bar

Resonant Frequency >125 kHz >125 kHz

Non-Linearity ≤0.3 % FS ≤0.3 % FS

Environmenta

Acceleration Sensitivity <0.007 psi/g <0.0005 bar/g

Temperature Range(Operating) -4 to +662 °F -20 to +350 °C

Temperature Range(Survivable Limit) -58 to +752 °F -50 to +400 °C

Thermal Sensitivity Shift(20 to +250 °C) 2 % 2 % [1]

Thermal Sensitivity Shift(20 to +350 ºC) 5 % 5 % [1]

Thermal Sensitivity Shift(200 °C ± 50 °C) 1 % 1 % [1]

Thermodynamic Error(ΔP mi) <2% <2% [2]

Thermodynamic Error(ΔP max) <1% <1% [2]

Thermodynamic Error(ΔP(short term drift)) <7.25 psi <0.5 bar [2]

Maximum Shock 2000 g pk 19,600 m/s² pk

Electrica

Capacitance(with cable) 120 pF 120 pF [1]

Insulation Resistance(at room temp) >1013 Ohm >1013 Ohm

Physica

Sensing Element UHT-12™ UHT-12™

Sensing Geometry Compression Compression

Housing Material 17-4 Stainless Steel 17-4 Stainless Steel

Diaphragm 17-4 Stainless Steel 17-4 Stainless Steel

Sealing Welded Hermetic Welded Hermetic

Electrical Connector M4 x .35 Coaxial M4 x .35 Coaxial [3]

Cable Length 3.3 ft 1 m

Weight(without cable) .085 oz 2.4 gm

All specifications are at room temperature unless otherwise specified.

In the interest of constant product improvement, we reserve the right to change specifications without notice.

ICP®is a registered trademark of PCB Group, Inc.

OPTIONAL VERSIONS

Optional versions have identical specifications and accessories as listed for the standard model

except where noted below. More than one option may be used.

NOTES

[1] Typical.

[2] 9 bar IMEP; 1500 rpm

[3] Attached 006M40 cable with 070A54 BNC connector adaptor; o-ring sealed.

[4] See PCB Declaration of Conformance PS158 for details

SUPPLIED ACCESSORIES:

Model 065A69 Thermal baffle (1)

Model 066A17 Dummy plug (1)

Model 100-9169-50 FKM O-Ring (1)

Model PCS-1AP NIST Traceable Calibration, room temperature and 200°C. (1)

OPTIONAL ACCESSORIES:

Model 040A39 Finishing tool (1)

Model 040A40 Extaction Tool (1)

Model 040A41 Mounting Key (1)

Entered: LK Engineer: RPF Sales: RW

Approved: BAM Spec Number:

Date: 9/24/2018 Date: 9/24/2018 Date: 9/24/201

Date: 9/24/2018 41918

3425 Walden Avenue, Depew, NY 14043

Phone: 716-684-0001

Fax: 716-684-0987

E-Mail: [email protected]

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